Circulant preconditioners for convolution-like integral equations with higher-order quadrature rules

zbMath0910.65112MaRDI QIDQ1381044

Michael Kwok-Po Ng

Publication date: 15 March 1998

Published in: ETNA. Electronic Transactions on Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/119713

zbMATH Keywords

convergencenumerical examplesfast Fourier transformssignal processingToeplitz matricescirculant matricespreconditioned conjugate gradient methodslinear least squares estimationcirculant integral operatorsconvolution-like integral equationshigher-order quadratures

Mathematics Subject Classification ID

Numerical methods for integral equations (65R20) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35) Integral equations of the convolution type (Abel, Picard, Toeplitz and Wiener-Hopf type) (45E10)

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